vcl/source/window/javachild.cxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: javachild.cxx,v $
  10  * $Revision: 1.12 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_vcl.hxx"
  33
  34
  35 #ifdef SOLAR_JAVA
  36 #include <jni.h>
  37 #endif
  38 #include <comphelper/processfactory.hxx>
  39
  40 #include <vcl/unohelp.hxx>
  41 #include <rtl/process.h>
  42 #include <rtl/ref.hxx>
  43 #include <jvmaccess/virtualmachine.hxx>
  44 #include <com/sun/star/java/XJavaVM.hpp>
  45 #include <com/sun/star/java/XJavaThreadRegister_11.hpp>
  46 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  47
  48 #ifndef _SV_SVSYS_HXX
  49 #include <svsys.h>
  50 #endif
  51 #include <vcl/salinst.hxx>
  52 #include <vcl/salframe.hxx>
  53 #include <vcl/window.hxx>
  54 #include <vcl/salobj.hxx>
  55 #include <vcl/javachild.hxx>
  56 #include <vcl/svdata.hxx>
  57 #include <vcl/sysdata.hxx>
  58
  59 using namespace ::com::sun::star;
  60
  61 // -------------------
  62 // - JavaChildWindow -
  63 // -------------------
  64
  65 JavaChildWindow::JavaChildWindow( Window* pParent, WinBits nStyle ) :
  66     SystemChildWindow( pParent, nStyle )
  67 {
  68 }
  69
  70 // -----------------------------------------------------------------------
  71
  72 JavaChildWindow::JavaChildWindow( Window* pParent, const ResId& rResId ) :
  73     SystemChildWindow( pParent, rResId )
  74 {
  75 }
  76
  77 // -----------------------------------------------------------------------
  78
  79 JavaChildWindow::~JavaChildWindow()
  80 {
  81 }
  82
  83 // -----------------------------------------------------------------------
  84
  85 void JavaChildWindow::implTestJavaException( void* pEnv )
  86 {
  87 #ifdef SOLAR_JAVA
  88     JNIEnv*     pJavaEnv = reinterpret_cast< JNIEnv* >( pEnv );
  89     jthrowable  jtThrowable = pJavaEnv->ExceptionOccurred();
  90
  91     if( jtThrowable )
  92     { // is it a java exception ?
  93 #if OSL_DEBUG_LEVEL > 1
  94         pJavaEnv->ExceptionDescribe();
  95 #endif // OSL_DEBUG_LEVEL > 1
  96         pJavaEnv->ExceptionClear();
  97
  98         jclass          jcThrowable = pJavaEnv->FindClass("java/lang/Throwable");
  99         jmethodID       jmThrowable_getMessage = pJavaEnv->GetMethodID(jcThrowable, "getMessage", "()Ljava/lang/String;");
 100         jstring         jsMessage = (jstring) pJavaEnv->CallObjectMethod(jtThrowable, jmThrowable_getMessage);
 101         ::rtl::OUString ouMessage;
 102
 103         if(jsMessage)
 104         {
 105             const jchar * jcMessage = pJavaEnv->GetStringChars(jsMessage, NULL);
 106             ouMessage = ::rtl::OUString(jcMessage);
 107             pJavaEnv->ReleaseStringChars(jsMessage, jcMessage);
 108         }
 109
 110         throw uno::RuntimeException(ouMessage, uno::Reference<uno::XInterface>());
 111     }
 112 #endif // SOLAR_JAVA
 113 }
 114
 115 // -----------------------------------------------------------------------
 116
 117 sal_IntPtr JavaChildWindow::getParentWindowHandleForJava()
 118 {
 119     sal_IntPtr nRet = 0;
 120
 121 #if defined WNT
 122     nRet = reinterpret_cast< sal_IntPtr >( GetSystemData()->hWnd );
 123 #elif defined QUARTZ
 124     // FIXME: this is wrong
 125     nRet = reinterpret_cast< sal_IntPtr >( GetSystemData()->pView );
 126 #elif defined UNX
 127 #ifdef SOLAR_JAVA
 128     uno::Reference< lang::XMultiServiceFactory > xFactory( vcl::unohelper::GetMultiServiceFactory() );
 129
 130     if( xFactory.is() && ( GetSystemData()->aWindow > 0 ) )
 131     {
 132         try
 133         {
 134             ::rtl::Reference< ::jvmaccess::VirtualMachine > xVM;
 135             uno::Reference< java::XJavaVM >                 xJavaVM( xFactory->createInstance( rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.java.JavaVirtualMachine") ) ), uno::UNO_QUERY );
 136             uno::Sequence< sal_Int8 >                       aProcessID( 17 );
 137
 138             rtl_getGlobalProcessId( (sal_uInt8*) aProcessID.getArray() );
 139             aProcessID[ 16 ] = 0;
 140             OSL_ENSURE(sizeof (sal_Int64) >= sizeof (jvmaccess::VirtualMachine *), "Pointer cannot be represented as sal_Int64");
 141             sal_Int64 nPointer = reinterpret_cast< sal_Int64 >( static_cast< jvmaccess::VirtualMachine * >(0));
 142             xJavaVM->getJavaVM(aProcessID) >>= nPointer;
 143             xVM = reinterpret_cast< jvmaccess::VirtualMachine * >(nPointer);
 144
 145             if( xVM.is() )
 146             {
 147                 try
 148                 {
 149                     ::jvmaccess::VirtualMachine::AttachGuard    aVMAttachGuard( xVM );
 150                     JNIEnv*                                     pEnv = aVMAttachGuard.getEnvironment();
 151
 152                     jclass jcToolkit = pEnv->FindClass("java/awt/Toolkit");
 153                     implTestJavaException(pEnv);
 154
 155                     jmethodID jmToolkit_getDefaultToolkit = pEnv->GetStaticMethodID( jcToolkit, "getDefaultToolkit", "()Ljava/awt/Toolkit;" );
 156                     implTestJavaException(pEnv);
 157
 158                     pEnv->CallStaticObjectMethod(jcToolkit, jmToolkit_getDefaultToolkit);
 159                     implTestJavaException(pEnv);
 160
 161                     jclass jcMotifAppletViewer = pEnv->FindClass("sun/plugin/navig/motif/MotifAppletViewer");
 162                     if( pEnv->ExceptionOccurred() )
 163                     {
 164                         pEnv->ExceptionClear();
 165
 166                         jcMotifAppletViewer = pEnv->FindClass( "sun/plugin/viewer/MNetscapePluginContext");
 167                         implTestJavaException(pEnv);
 168                     }
 169
 170                     jclass jcClassLoader = pEnv->FindClass("java/lang/ClassLoader");
 171                     implTestJavaException(pEnv);
 172
 173                     jmethodID jmClassLoader_loadLibrary = pEnv->GetStaticMethodID( jcClassLoader, "loadLibrary", "(Ljava/lang/Class;Ljava/lang/String;Z)V");
 174                     implTestJavaException(pEnv);
 175
 176                     jstring jsplugin = pEnv->NewStringUTF("javaplugin_jni");
 177                     implTestJavaException(pEnv);
 178
 179                     pEnv->CallStaticVoidMethod(jcClassLoader, jmClassLoader_loadLibrary, jcMotifAppletViewer, jsplugin, JNI_FALSE);
 180                     implTestJavaException(pEnv);
 181
 182                     jmethodID jmMotifAppletViewer_getWidget = pEnv->GetStaticMethodID( jcMotifAppletViewer, "getWidget", "(IIIII)I" );
 183                     implTestJavaException(pEnv);
 184
 185                     const Size aSize( GetOutputSizePixel() );
 186                     jint ji_widget = pEnv->CallStaticIntMethod( jcMotifAppletViewer, jmMotifAppletViewer_getWidget,
 187                                                                 GetSystemData()->aWindow, 0, 0, aSize.Width(), aSize.Height() );
 188                     implTestJavaException(pEnv);
 189
 190                     nRet = static_cast< sal_IntPtr >( ji_widget );
 191                 }
 192                 catch( uno::RuntimeException& )
 193                 {
 194                 }
 195
 196                 if( !nRet )
 197                     nRet = static_cast< sal_IntPtr >( GetSystemData()->aWindow );
 198             }
 199         }
 200         catch( ... )
 201         {
 202         }
 203     }
 204 #endif // SOLAR_JAVA
 205 #else // WNT || QUARTZ || UNX
 206     // TBD
 207 #endif
 208
 209     return nRet;
 210 }